T58.13XA is the authoritative medical code for Toxic effect of carbon monoxide from utility gas, assault, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for toxic effect of carbon monoxide from utility gas, assault, initial encounter (ICD-10-CM T58.13XA), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Toxic effect of carbon monoxide from utility gas, assault, initial encounter is a billable ICD-10-CM diagnosis code T58.13A. Includes: asphyxiation from carbon monoxide; toxic effect of carbon monoxide from all sources. Excludes1 (not coded here): contact with and suspected exposure to toxic substances Z77.-. Use additional code: code(s):; for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents J60-J70; personal history of foreign body fully removed Z87.821; to identify any retained foreign body, if applicable Z18.-. 7th character: The appropriate 7th character is to be added to each code from category T58.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T58.13XA in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- asphyxiation from carbon monoxide
- toxic effect of carbon monoxide from all sources
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- contact with and suspected exposure to toxic substances Z77.-
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code(s):
- for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents J60-J70
- personal history of foreign body fully removed Z87.821
- to identify any retained foreign body, if applicable Z18.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Does T58.13XA require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T58.
What can't be coded together with T58.13XA?
Per official ICD-10-CM Excludes1 instructions, T58.13XA must not be reported together with: contact with and (suspected) exposure to toxic substances (Z77.-).
Is an additional code needed with T58.13XA?
Use additional code(s) to specify: code(s):; for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70); personal history of foreign body fully removed (Z87.821); to identify any retained foreign body, if applicable (Z18.-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to T58.13XA in its code family, with their registry titles.
- T58 — Toxic effect of carbon monoxide
- T58.0 — Toxic effect of carbon monoxide from motor vehicle exhaust
- T58.01 — Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional)
- T58.01XA — Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional), initial encounter
- T58.01XD — Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional), subsequent encounter
- T58.01XS — Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional), sequela
- T58.02 — Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm
- T58.02XA — Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm, initial encounter
- T58.02XD — Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm, subsequent encounter
- T58.02XS — Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm, sequela
View all 40 codes in the T58 family